I have been using this for work for about two years. This product can be used for many years, and the manufacturer provides excellent support, so I will sell it to someone who will use it. 【Size/Specifications】 ・Product: MyMixture A5 15mm [3097] ・Color: 011 Black (Black x Red) - Sold Out ・Size: H 232mm x W 168mm ・Open Width: W 350mm ・RING SIZE: 15mm (Capacity: approx. 110 sheets) ・Weight: 296g ・Material: Buffalo leather ・Leather Quality: Glossy, hard leather Please purchase only if you understand the stains and other signs of aging. All photos have been added. Please purchase only if you understand this. Rare, valuable, bi-color, sold-out item, discontinued, system notebook It's rarely available, so if you're looking for one, please take it. 【High-Quality Materials】 This ring file is durable and can be used for a long time. 【Functional Design】 It has pockets inside, which are convenient for organizing business cards and memos. 【Brand Reliability】 ASHFORD is known for its high-quality stationery and is an item that is useful in business situations. 【Product Description】 The surface utilizes the buffalo leather's characteristic texture and is finished with a transparent feel, while the inside features a playful design with colorful cowhide (belly) and nubuck leather. MyMixture pursues ease of use and playfulness, allowing you to enjoy the quality of the fine leather. The different textures of each leather and the unique design stimulate inspiration and imagination. Buffalo leather is used on the surface, and cowhide (belly) and nubuck leather are used on the inside. The surface, which utilizes the unique texture of buffalo leather, has a gloss and moderate firmness, while the nubuck leather on the inside will change to an amber color with use. The surface is smooth, and the inside is smooth and moist, so you can enjoy the difference in texture and the luxurious collaboration of leathers.